WMSIC Electronic Components

XINLUDA XL74LS32

ModelXL74LS32
PackageSOP-14
BrandXINLUDA
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XINLUDA XL74LS32
Type
XINLUDA
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XINLUDA
Electronic Component
XL74LS32
Electronic Component
1
Package
SOP-14
Electronic Component
Logic Gate
Electronic Component
74LS
Electronic Component
0.17g
Electronic Component
1
Channel Count
4
Electronic Component
BM0228558276
Operating Temperature
0℃~+70℃
Operating Voltage
4.75V~5.25V
Logic Type
Gate
Current(IOH)
400uA
Current(IOL)
8mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

XL74LS32 产品概述

一、概述

XL74LS32(信路达 XINLUDA)为四路二输入或门(Quad 2-Input OR Gate),基于经典 74LS 系列低功耗肖特基 TTL 工艺,采用 SOP-14 封装。器件工作电压为 4.75V ~ 5.25V,工作温度范围 0℃ ~ +70℃,适合常规工业与消费类数字电路的逻辑逻辑“或”功能实现与信号整合。

二、主要电气参数(重点)

  • 逻辑类型:二输入或门 ×4
  • 工作电压:VCC = 4.75V ~ 5.25V
  • 输入阈值:VIH ≥ 2.0V,VIL ≤ 1.0V
  • 输出高电平:VOH 范围 ≈ 2.7V ~ 3.4V(依负载而定)
  • 输出低电平:VOL 典型 250mV,标准上限 400mV;在某些测试条件下可见 350mV ~ 500mV 范围
  • 输出电流能力:Sink IOL = 8 mA(典型),Source IOH ≈ 400 μA(注意 IOH 很小,不能作为强源)
  • 传播延迟:tpd ≈ 22 ns(VCC=5V,CL=15 pF)

以上参数符合 74LS 系列器件在 TTL 负载条件下的特性,适用于以“下拉”驱动为主的逻辑连接。

三、功能与引脚(通用参考)

每个门为两输入一输出,器件共有四个独立门。SOP-14 常见引脚排列(与标准 74LS32 一致,使用前请以厂家数据手册为准):

  • Pin1 A1、Pin2 B1、Pin3 Y1
  • Pin4 A2、Pin5 B2、Pin6 Y2
  • Pin7 GND
  • Pin8 A3、Pin9 B3、Pin10 Y3
  • Pin11 A4、Pin12 B4、Pin13 Y4
  • Pin14 VCC

逻辑表:Y = A + B(逻辑或)。

四、应用场景

  • 门控/合并错误与使能信号(多个报警或权限信号“或”处理)
  • 传统 TTL 逻辑系统的胶合逻辑(glue logic)
  • 与其他 5V TTL/LS 器件配合的中间逻辑级
  • 低速控制信号整合、状态指示与逻辑判断电路(注意输出驱动能力限制)

五、设计与使用建议

  • 电源去耦:VCC 附近建议放置 0.1 μF 旁路电容,靠近器件引脚焊盘以抑制瞬态噪声。
  • 输出驱动:尽量让器件以“下拉”为主(利用 IOL)驱动 LED 或继电器驱动器前端需加缓冲/驱动器;IOH 源电流非常有限,不能直接驱动较大负载。
  • 电平兼容:VIH=2.0V,典型 3.3V 输出可以被识别为高电平,但在信号完整性或多级连接场合应谨慎验证。
  • 布局:避免长导线互联以降低寄生电容,传播延迟随负载电容增加。
  • 温度与散热:工作温度 0℃~+70℃,超出范围需选用工业级器件或采取热管理措施。

六、兼容与替代

XL74LS32 属 74LS 家族,功能与主流厂商(如 TI、ON Semiconductor 等)相兼容,在 5V TTL 生态内可直接替换同类 74LS32 芯片;但在对输出电流、速度或功耗有更高要求的场合,可考虑 HC/HCT/AC/ACT 等不同系列。

七、注意事项

  • 采购与生产时请核对信路达提供的完整数据手册和管脚图以确认版本差异。
  • 避免静电损坏(遵循 ESD 操作规范)。
  • 在关键应用建议进行实际测量验证 VOH/VOL 与传播延迟在目标负载与温度条件下的表现。

以上为 XL74LS32 的产品概述与设计应用要点,用以快速理解器件特性并指导电路集成与调试。

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